GB9819277D0 - Compression driver phase plug - Google Patents

Compression driver phase plug

Info

Publication number
GB9819277D0
GB9819277D0 GBGB9819277.6A GB9819277A GB9819277D0 GB 9819277 D0 GB9819277 D0 GB 9819277D0 GB 9819277 A GB9819277 A GB 9819277A GB 9819277 D0 GB9819277 D0 GB 9819277D0
Authority
GB
United Kingdom
Prior art keywords
phase plug
compression driver
driver phase
compression
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB9819277.6A
Other versions
GB2329789B (en
GB2329789A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Peavey Electronics Corp
Original Assignee
Peavey Electronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peavey Electronics Corp filed Critical Peavey Electronics Corp
Publication of GB9819277D0 publication Critical patent/GB9819277D0/en
Publication of GB2329789A publication Critical patent/GB2329789A/en
Application granted granted Critical
Publication of GB2329789B publication Critical patent/GB2329789B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB9819277A 1997-09-26 1998-09-03 A sound translation device Expired - Fee Related GB2329789B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6018097P 1997-09-26 1997-09-26
US09/089,938 US6064745A (en) 1997-09-26 1998-06-04 Compression driver phase plug

Publications (3)

Publication Number Publication Date
GB9819277D0 true GB9819277D0 (en) 1998-10-28
GB2329789A GB2329789A (en) 1999-03-31
GB2329789B GB2329789B (en) 2002-03-13

Family

ID=26739653

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9819277A Expired - Fee Related GB2329789B (en) 1997-09-26 1998-09-03 A sound translation device

Country Status (3)

Country Link
US (1) US6064745A (en)
DE (1) DE19843323C2 (en)
GB (1) GB2329789B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6094495A (en) * 1998-09-24 2000-07-25 Eastern Acoustic Works, Inc. Horn-type loudspeaker system
US6516076B1 (en) * 2000-07-12 2003-02-04 Atlas Sound, L.P. Modular horn loudspeaker
AU2001280958A1 (en) * 2000-07-31 2002-02-13 Harman International Industries Inc. Two-stage phasing plug system in a compression driver
CN100413379C (en) * 2000-09-22 2008-08-20 罗伯特·格伦伯格 Direct coupling of waveguide to compression driver having matching slot shaped throats
US20040066947A1 (en) * 2002-10-04 2004-04-08 Geddes Earl Rossell Transducer with multiple phase plugs
ITPR20020064A1 (en) * 2002-10-31 2004-05-01 Aeb Srl EQUALIZER, OR PHASE PLUG, FOR ELECTROACOUSTIC TRANSDUCERS.
US7095868B2 (en) * 2003-02-10 2006-08-22 Earl Geddes Phase plug with optimum aperture shapes
FI120126B (en) * 2004-04-30 2009-06-30 Aura Audio Oy A method for providing a smooth sound wave front with a planar waveguide, speaker structure and acoustic line emitter
US8036408B2 (en) * 2005-12-22 2011-10-11 Harman International Industries, Incorporated Phasing plug for a compression driver
US7639830B2 (en) * 2006-03-02 2009-12-29 Cogent True-To-Life Loudspeakers, Incorporated Apparatus for acoustic loading of a diaphragm
GB2445597A (en) * 2007-01-09 2008-07-16 William Wood Magnetostrictive compression type loudspeaker with phasing plug
US20080192972A1 (en) * 2007-02-13 2008-08-14 Vernon Lewallen Phasing plug for acoustic compression drivers
US8477979B2 (en) * 2007-03-09 2013-07-02 Robert M. O'Neill Compression driver and horn structure
US8280091B2 (en) * 2008-06-11 2012-10-02 Harman International Industries, Incorporated Dual compression drivers and phasing plugs for compression drivers
US8077897B2 (en) * 2008-06-11 2011-12-13 Harman International Industries, Incorporated Phasing plug
US8422712B2 (en) * 2008-06-18 2013-04-16 Thomas J. Danley Horn-loaded acoustic source with custom amplitude distribution
WO2010116387A1 (en) * 2009-04-06 2010-10-14 Fabbrica Italiana Altoparlanti S.P.A. Compression speaker
US8989419B2 (en) * 2012-01-18 2015-03-24 Curtis E. Graber Phase plug with axially twisted radial channels
US20140270310A1 (en) * 2013-03-12 2014-09-18 Cisco Technology, Inc. Acoustic waveguide for conference phone realtime communications
US10555072B2 (en) * 2014-06-18 2020-02-04 Harman International Industries, Incorporated Aperture patterns and orientations for optimization of phasing plug performance in compression drivers
US10129637B2 (en) * 2017-02-15 2018-11-13 Elettromedia Srl Phase plug for compression driver having improved assembly
US10250972B2 (en) * 2017-03-23 2019-04-02 Apple Inc. Phase plug having non-round face profile
USD877125S1 (en) * 2018-01-26 2020-03-03 Jacob Aaron Fuller Audio speaker frame
US11523210B1 (en) 2021-08-18 2022-12-06 Harman Professional, Inc. Omnidirectional speaker with inverted dome diaphragm and separate exits
US11490194B1 (en) * 2021-08-18 2022-11-01 Harman Professional, Inc. Omnidirectional speaker with an inverted dome diaphragm and asymmetric vertical directivity response

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2037187A (en) * 1933-03-28 1936-04-14 Bell Telephone Labor Inc Sound translating device
US2183528A (en) * 1937-08-14 1939-12-19 John F Blackburn Loudspeaker
US3254484A (en) * 1964-01-23 1966-06-07 Kopper John Stephen Acoustical resonance apparatus for increasing the power output of an internal combustion engine
US4050541A (en) * 1976-04-21 1977-09-27 Altec Corporation Acoustical transformer for horn-type loudspeaker
JPS547783Y2 (en) * 1977-01-29 1979-04-11
JPS55166396A (en) * 1979-06-13 1980-12-25 Matsushita Electric Ind Co Ltd Horn speaker
US4325456A (en) * 1980-10-10 1982-04-20 Altec Corporation Acoustical transformer for compression-type loudspeaker with an annular diaphragm
GB8726489D0 (en) * 1987-11-12 1987-12-16 Grunberg R M Electro-acoustic transducers
JPH0247998A (en) * 1988-08-09 1990-02-16 Mitsubishi Electric Corp Horn type speaker unit
US5117462A (en) * 1991-03-20 1992-05-26 Jbl Incorporated Phasing plug for compression driver
FR2693070B3 (en) * 1992-06-25 1994-08-05 Outline Snc ELECTRODYNAMIC ELECTRO-ACOUSTIC TRANSDUCERS WITH MOBILE COIL.
DE19603002C1 (en) * 1996-01-27 1997-05-22 Martin Kling Loudspeaker with phase correction device

Also Published As

Publication number Publication date
US6064745A (en) 2000-05-16
DE19843323A1 (en) 1999-04-01
GB2329789B (en) 2002-03-13
DE19843323C2 (en) 2003-06-18
GB2329789A (en) 1999-03-31

Similar Documents

Publication Publication Date Title
GB9819277D0 (en) Compression driver phase plug
EP0897707A3 (en) Compression system
GB2323343B (en) Vehicle
AUPO520597A0 (en) Space filling methods
EP0970543A4 (en) Compression connector
EP0996842A4 (en) Plug assembly
AUPO885297A0 (en) Compression engine
GB2331965B (en) Caravan step unit
GB9717125D0 (en) Vehicle
AU133863S (en) Vehicle
AU133865S (en) Vehicle
GB2324220B (en) Data compression
GB2322503B (en) Compression driver
GB9704709D0 (en) Gels
AU6369698A (en) Compression
GB9712200D0 (en) Vehicle commumicator
GB9724462D0 (en) Vehicle imobiliser
AU6478798A (en) Camping unit
AU688253B3 (en) Plug
TW356974U (en) Improved structure for vehicle plug
TW379860U (en) Plug
TW322025U (en) Improved plug
TW493822U (en) Improved plug
AUPO964197A0 (en) Anti-theft unit
TW324349U (en) Inflant vehicle

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040903